Synonyms: Heteranthera graminea, Heteranthera liebmannii, Zosterella dubia, Zosterella longituba Other Common Names: water stargrass Plant Form: Forb or Subshrub
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 191
Plant
Elaine Haug, hosted by the USDA-NRCS PLANTS Database
Forb Plant Description
Origin:
Native
Life Cycle:
Annual or perennial
General Desc:
Aquatic plant with narrow leaves and yellow star-shaped flowers. Identification notes: Leaves linear, sessile (without a stalk), alternate. Stems slender, spreading, generally much-branched, often tangled. Flower petals yellow. Height:
To 1 foot Habitat
Color:
Yellow
Shape:
Regular not in clusters
Tubular:
Y
Flowering Period:
Jul - Aug Description:
Flowers to 1 inch wide with 3 alike stamens; stalkless and borne singly in the axil of a clasping or folded bract which is in the axil of a leaf. Flowers open within two hours after dawn and wilt by dusk.
Leaf and Stem Characteristics
Leaf Color:
Green
Leaf Type:
Simple
Leaf Shape:
Narrow
Leaf Margin:
Smooth
Leaf Attachment:
Alternate
Leaves Clasp:
N Hairs:
No
Spines:
N
Leaf Description:
Leaves are to 4 inches long and 3/16 inches wide and lack a midrib. Stems are limp, trailing, either submersed underwater and growing to the water surface, or emergent in shallow water or mud. Stems often root at nodes. Fruit and Seed Characteristics
Fruit Type: Capsule Fruit Notes: Elongate and many-seeded.
Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590